2 # LN_CONFIG_MAX_PAYLOAD
4 # configure maximum payload
6 AC_DEFUN([LN_CONFIG_MAX_PAYLOAD],
7 [AC_MSG_CHECKING([for non-default maximum LNET payload])
8 AC_ARG_WITH([max-payload-mb],
9 AC_HELP_STRING([--with-max-payload-mb=MBytes],
10 [set maximum lnet payload in MBytes]),
12 AC_MSG_RESULT([$with_max_payload_mb])
13 LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
14 LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
17 LNET_MAX_PAYLOAD="LNET_MTU"
19 AC_DEFINE_UNQUOTED(LNET_MAX_PAYLOAD, $LNET_MAX_PAYLOAD,
24 # LN_CHECK_GCC_VERSION
26 # Check compiler version
28 AC_DEFUN([LN_CHECK_GCC_VERSION],
29 [AC_MSG_CHECKING([compiler version])
30 PTL_CC_VERSION=`$CC --version | awk '/^gcc/{print $ 3}'`
31 PTL_MIN_CC_VERSION="3.2.2"
33 awk -F. '{printf "%d\n", (($ 1)*100+($ 2))*100+($ 3)}'
35 if test -z "$PTL_CC_VERSION" -o \
36 `echo $PTL_CC_VERSION | v2n` -ge `echo $PTL_MIN_CC_VERSION | v2n`; then
39 AC_MSG_RESULT([Buggy compiler found])
40 AC_MSG_ERROR([Need gcc version >= $PTL_MIN_CC_VERSION])
47 # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
49 AC_DEFUN([LN_CONFIG_CDEBUG],
51 AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
52 AC_ARG_ENABLE([libcfs_cdebug],
53 AC_HELP_STRING([--disable-libcfs-cdebug],
54 [disable libcfs CDEBUG, CWARN]),
55 [],[enable_libcfs_cdebug='yes'])
56 AC_MSG_RESULT([$enable_libcfs_cdebug])
57 if test x$enable_libcfs_cdebug = xyes; then
58 AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])
60 AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN])
63 AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
64 AC_ARG_ENABLE([libcfs_trace],
65 AC_HELP_STRING([--disable-libcfs-trace],
66 [disable libcfs ENTRY/EXIT]),
67 [],[enable_libcfs_trace='yes'])
68 AC_MSG_RESULT([$enable_libcfs_trace])
69 if test x$enable_libcfs_trace = xyes; then
70 AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
72 AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
75 AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
76 AC_ARG_ENABLE([libcfs_assert],
77 AC_HELP_STRING([--disable-libcfs-assert],
78 [disable libcfs LASSERT, LASSERTF]),
79 [],[enable_libcfs_assert='yes'])
80 AC_MSG_RESULT([$enable_libcfs_assert])
81 if test x$enable_libcfs_assert = xyes; then
82 AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])
89 # check if cpu affinity is available/wanted
91 AC_DEFUN([LN_CONFIG_AFFINITY],
92 [AC_ARG_ENABLE([affinity],
93 AC_HELP_STRING([--disable-affinity],
94 [disable process/irq affinity]),
95 [],[enable_affinity='yes'])
97 AC_MSG_CHECKING([for CPU affinity support])
98 if test x$enable_affinity = xno ; then
99 AC_MSG_RESULT([no (by request)])
101 LB_LINUX_TRY_COMPILE([
102 #include <linux/sched.h>
104 struct task_struct t;
110 set_cpus_allowed(&t, m);
112 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
115 AC_MSG_RESULT([no (no kernel support)])
123 # configure support for Portals
125 AC_DEFUN([LN_CONFIG_PORTALS],
126 [AC_MSG_CHECKING([for portals])
127 AC_ARG_WITH([portals],
128 AC_HELP_STRING([--with-portals=path],
129 [set path to portals]),
131 case $with_portals in
134 *) PORTALS="${with_portals}"
142 if test $ENABLEPORTALS -eq 0; then
144 elif test ! \( -f ${PORTALS}/include/portals/p30.h \); then
146 AC_MSG_ERROR([bad --with-portals path])
148 AC_MSG_RESULT([$PORTALS])
149 PTLLNDCPPFLAGS="-I${PORTALS}/include"
151 AC_SUBST(PTLLNDCPPFLAGS)
157 # check if tunable tcp backoff is available/wanted
159 AC_DEFUN([LN_CONFIG_BACKOFF],
160 [AC_MSG_CHECKING([for tunable backoff TCP support])
161 AC_ARG_ENABLE([backoff],
162 AC_HELP_STRING([--disable-backoff],
163 [disable socknal tunable backoff]),
164 [],[enable_backoff='yes'])
165 if test x$enable_backoff = xno ; then
166 AC_MSG_RESULT([no (by request)])
168 BOCD="`grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h`"
169 if test "$BOCD" != 0 ; then
170 AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
173 AC_MSG_RESULT([no (no kernel support)])
179 # LN_CONFIG_PANIC_DUMPLOG
181 # check if tunable panic_dumplog is wanted
183 AC_DEFUN([LN_CONFIG_PANIC_DUMPLOG],
184 [AC_MSG_CHECKING([for tunable panic_dumplog support])
185 AC_ARG_ENABLE([panic_dumplog],
186 AC_HELP_STRING([--enable-panic_dumplog],
187 [enable panic_dumplog]),
188 [],[enable_panic_dumplog='no'])
189 if test x$enable_panic_dumplog = xyes ; then
190 AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])
191 AC_MSG_RESULT([yes (by request)])
200 # configure support for Portals LND
202 AC_DEFUN([LN_CONFIG_PTLLND],
204 if test -z "$ENABLEPORTALS"; then
208 AC_MSG_CHECKING([whether to build the kernel portals LND])
211 if test $ENABLEPORTALS -ne 0; then
223 # configure support for Portals LND
225 AC_DEFUN([LN_CONFIG_UPTLLND],
227 if test -z "$ENABLEPORTALS"; then
231 AC_MSG_CHECKING([whether to build the userspace portals LND])
234 if test $ENABLEPORTALS -ne 0; then
246 # configure support for userspace TCP/IP LND
248 AC_DEFUN([LN_CONFIG_USOCKLND],
249 [AC_MSG_CHECKING([whether to build usocklnd])
250 AC_ARG_ENABLE([usocklnd],
251 AC_HELP_STRING([--disable-usocklnd],
253 [],[enable_usocklnd='yes'])
255 if test x$enable_usocklnd = xyes ; then
256 if test "$ENABLE_LIBPTHREAD" = "yes" ; then
260 AC_MSG_RESULT([no (libpthread not present or disabled)])
264 AC_MSG_RESULT([no (disabled explicitly)])
273 # check if quadrics support is in this kernel
275 AC_DEFUN([LN_CONFIG_QUADRICS],
276 [AC_MSG_CHECKING([for QsNet sources])
278 AC_HELP_STRING([--with-qsnet=path],
279 [set path to qsnet source (default=$LINUX)]),
282 AC_MSG_RESULT([$QSNET])
284 AC_MSG_CHECKING([if quadrics kernel headers are present])
285 if test -d $QSNET/drivers/net/qsnet ; then
288 AC_MSG_CHECKING([for multirail EKC])
289 if test -f $QSNET/include/elan/epcomms.h; then
290 AC_MSG_RESULT([supported])
291 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
293 AC_MSG_RESULT([not supported])
294 AC_MSG_ERROR([Need multirail EKC])
297 if test x$QSNET = x$LINUX ; then
298 LB_LINUX_CONFIG([QSNET],[],[
299 LB_LINUX_CONFIG([QSNET_MODULE],[],[
300 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
311 AC_SUBST(QSWCPPFLAGS)
318 # check if GM support is available
320 AC_DEFUN([LN_CONFIG_GM],[
321 AC_MSG_CHECKING([whether to enable GM support])
323 AC_HELP_STRING([--with-gm=path-to-gm-source-tree],
324 [build gmlnd against path]),
336 AC_ARG_WITH([gm-install],
337 AC_HELP_STRING([--with-gm-install=path-to-gm-install-tree],
338 [say where GM has been installed]),
340 GM_INSTALL=$with_gm_install
344 if test $ENABLE_GM -eq 0; then
350 GMCPPFLAGS="-I$GM_SRC/include -I$GM_SRC/drivers -I$GM_SRC/drivers/linux/gm"
352 if test -f $GM_INSTALL/lib/libgm.a -o \
353 -f $GM_INSTALL/lib64/libgm.a; then
354 GMLIBS="-L$GM_INSTALL/lib -L$GM_INSTALL/lib64"
356 AC_MSG_ERROR([Cant find GM libraries under $GM_INSTALL])
359 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
360 EXTRA_KCFLAGS="$GMCPPFLAGS -DGM_KERNEL $EXTRA_KCFLAGS"
362 AC_MSG_CHECKING([that code using GM compiles with given path])
363 LB_LINUX_TRY_COMPILE([
364 #define GM_STRONG_TYPES 1
369 #include "gm_internal.h"
371 struct gm_port *port = NULL;
372 gm_recv_event_t *rxevent = gm_blocking_receive_no_spin(port);
378 AC_MSG_ERROR([Bad --with-gm path])
381 AC_MSG_CHECKING([that GM has gm_register_memory_ex_phys()])
382 LB_LINUX_TRY_COMPILE([
383 #define GM_STRONG_TYPES 1
388 #include "gm_internal.h"
391 struct gm_port *port = NULL;
395 gmrc = gm_register_memory_ex_phys(port, phys, 100, pvma);
401 Please patch the GM sources as follows...
403 patch -p0 < $PWD/lnet/klnds/gmlnd/gm-reg-phys.patch
404 ...then rebuild and re-install them])
405 AC_MSG_ERROR([Can't build GM without gm_register_memory_ex_phys()])
408 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
419 AC_DEFUN([LN_CONFIG_MX],
420 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
424 AC_HELP_STRING([--with-mx=path],
425 [build mxlnd against path]),
439 if test $ENABLEMX -eq 0; then
440 AC_MSG_RESULT([disabled])
441 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
442 -f ${MXPATH}/include/mx_kernel_api.h -a \
443 -f ${MXPATH}/include/mx_pin.h \); then
447 2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
448 3) AC_MSG_ERROR([bad --with-mx path]);;
449 *) AC_MSG_ERROR([internal error]);;
452 MXCPPFLAGS="-I$MXPATH/include"
453 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
454 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
455 MXLIBS="-L$MXPATH/lib"
456 LB_LINUX_TRY_COMPILE([
458 #include <mx_extensions.h>
459 #include <myriexpress.h>
463 mx_request_t request;
467 mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
468 mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
469 mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
470 mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
479 2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
480 3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
481 *) AC_MSG_ERROR([internal error]);;
486 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
498 AC_DEFUN([LN_CONFIG_O2IB],[
499 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
502 AC_HELP_STRING([--with-o2ib=path],
503 [build o2iblnd against path]),
506 yes) O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
511 *) O2IBPATHS=$with_o2ib
516 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
519 if test $ENABLEO2IB -eq 0; then
520 AC_MSG_RESULT([disabled])
523 for O2IBPATH in $O2IBPATHS; do
524 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
525 -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
526 -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
527 -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
532 if ! $o2ib_found; then
536 2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
537 3) AC_MSG_ERROR([bad --with-o2ib path]);;
538 *) AC_MSG_ERROR([internal error]);;
541 O2IBCPPFLAGS="-I$O2IBPATH/include"
542 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
543 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
544 EXTRA_LNET_INCLUDE="$O2IBCPPFLAGS $EXTRA_LNET_INCLUDE"
545 LB_LINUX_TRY_COMPILE([
546 #include <linux/version.h>
547 #include <linux/pci.h>
551 #include <rdma/rdma_cm.h>
552 #include <rdma/ib_cm.h>
553 #include <rdma/ib_verbs.h>
554 #include <rdma/ib_fmr_pool.h>
556 struct rdma_cm_id *cm_id;
557 struct rdma_conn_param conn_param;
558 struct ib_device_attr device_attr;
559 struct ib_qp_attr qp_attr;
560 struct ib_pool_fmr pool_fmr;
561 enum ib_cm_rej_reason rej_reason;
563 cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
564 return PTR_ERR(cm_id);
572 2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
573 3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
574 *) AC_MSG_ERROR([internal error]);;
580 # we know at this point that the found OFED source is good
581 if test \( $ENABLEO2IB = 3 \); then
582 if test \( -f $O2IBPATH/Module.symvers \); then
583 AC_MSG_NOTICE([adding $O2IBPATH/Module.symvers to $PWD/Module.symvers])
584 cat $O2IBPATH/Module.symvers >> $PWD/Module.symvers
586 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
590 # version checking is a hack and isn't reliable,
591 # we need verify it with each new ofed release
593 if grep -q ib_dma_map_single \
594 ${O2IBPATH}/include/rdma/ib_verbs.h; then
595 if grep -q comp_vector \
596 ${O2IBPATH}/include/rdma/ib_verbs.h; then
597 IBLND_OFED_VERSION="1025"
599 IBLND_OFED_VERSION="1020"
602 IBLND_OFED_VERSION="1010"
605 AC_DEFINE_UNQUOTED(IBLND_OFED_VERSION, $IBLND_OFED_VERSION,
608 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
612 AC_SUBST(EXTRA_LNET_INCLUDE)
613 AC_SUBST(O2IBCPPFLAGS)
620 # check for OpenIB in the kernel
621 AC_DEFUN([LN_CONFIG_OPENIB],[
622 AC_MSG_CHECKING([whether to enable OpenIB support])
624 OPENIBPATH="$LINUX/drivers/infiniband"
625 AC_ARG_WITH([openib],
626 AC_HELP_STRING([--with-openib=path],
627 [build openiblnd against path]),
634 *) OPENIBPATH="$with_openib"
641 if test $ENABLEOPENIB -eq 0; then
642 AC_MSG_RESULT([disabled])
643 elif test ! \( -f ${OPENIBPATH}/include/ts_ib_core.h -a \
644 -f ${OPENIBPATH}/include/ts_ib_cm.h -a \
645 -f ${OPENIBPATH}/include/ts_ib_sa_client.h \); then
647 case $ENABLEOPENIB in
649 2) AC_MSG_ERROR([kernel OpenIB headers not present]);;
650 3) AC_MSG_ERROR([bad --with-openib path]);;
651 *) AC_MSG_ERROR([internal error]);;
654 case $ENABLEOPENIB in
655 1|2) OPENIBCPPFLAGS="-I$OPENIBPATH/include -DIN_TREE_BUILD";;
656 3) OPENIBCPPFLAGS="-I$OPENIBPATH/include";;
657 *) AC_MSG_RESULT([no])
658 AC_MSG_ERROR([internal error]);;
660 OPENIBCPPFLAGS="$OPENIBCPPFLAGS -DIB_NTXRXPARAMS=4"
661 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
662 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
663 LB_LINUX_TRY_COMPILE([
664 #include <ts_ib_core.h>
665 #include <ts_ib_cm.h>
666 #include <ts_ib_sa_client.h>
668 struct ib_device_properties dev_props;
669 struct ib_cm_active_param cm_active_params;
670 tTS_IB_CLIENT_QUERY_TID tid;
671 int enum1 = IB_QP_ATTRIBUTE_STATE;
672 int enum2 = IB_ACCESS_LOCAL_WRITE;
673 int enum3 = IB_CQ_CALLBACK_INTERRUPT;
674 int enum4 = IB_CQ_PROVIDER_REARM;
678 OPENIBLND="openiblnd"
681 case $ENABLEOPENIB in
683 2) AC_MSG_ERROR([can't compile with kernel OpenIB headers]);;
684 3) AC_MSG_ERROR([can't compile with OpenIB headers under $OPENIBPATH]);;
685 *) AC_MSG_ERROR([internal error]);;
690 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
692 AC_SUBST(OPENIBCPPFLAGS)
699 AC_DEFUN([LN_CONFIG_CIB],[
700 AC_MSG_CHECKING([whether to enable Cisco/TopSpin IB support])
705 AC_HELP_STRING([--with-cib=path],
706 [build ciblnd against path]),
709 no) AC_MSG_RESULT([no]);;
710 *) CIBPATH="$with_cib"
711 if test -d "$CIBPATH"; then
715 AC_MSG_ERROR([No directory $CIBPATH])
721 if test -n "$CIBPATH"; then
722 CIBCPPFLAGS="-I${CIBPATH}/ib/ts_api_ng/include -I${CIBPATH}/all/kernel_services/include -DUSING_TSAPI"
723 CIBCPPFLAGS="$CIBCPPFLAGS -DIB_NTXRXPARAMS=3"
724 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
725 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $CIBCPPFLAGS"
726 LB_LINUX_TRY_COMPILE([
727 #include <ts_ib_core.h>
728 #include <ts_ib_cm.h>
729 #include <ts_ib_sa_client.h>
731 struct ib_device_properties dev_props;
732 struct ib_cm_active_param cm_active_params;
733 tTS_IB_CLIENT_QUERY_TID tid;
734 int enum1 = TS_IB_QP_ATTRIBUTE_STATE;
735 int enum2 = TS_IB_ACCESS_LOCAL_WRITE;
736 int enum3 = TS_IB_CQ_CALLBACK_INTERRUPT;
737 int enum4 = TS_IB_CQ_PROVIDER_REARM;
742 AC_MSG_ERROR([can't compile ciblnd with given path])
745 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
747 AC_SUBST(CIBCPPFLAGS)
754 # check for infinicon infiniband support
756 AC_DEFUN([LN_CONFIG_IIB],[
757 AC_MSG_CHECKING([whether to enable Infinicon support])
759 IIBPATH="/usr/include"
761 AC_HELP_STRING([--with-iib=path],
762 [build iiblnd against path]),
769 *) IIBPATH="${with_iib}/include"
776 if test $ENABLEIIB -eq 0; then
777 AC_MSG_RESULT([disabled])
778 elif test ! \( -f ${IIBPATH}/linux/iba/ibt.h \); then
782 2) AC_MSG_ERROR([default Infinicon headers not present]);;
783 3) AC_MSG_ERROR([bad --with-iib path]);;
784 *) AC_MSG_ERROR([internal error]);;
787 IIBCPPFLAGS="-I$IIBPATH"
788 if test $IIBPATH != "/usr/include"; then
789 # we need /usr/include come what may
790 IIBCPPFLAGS="$IIBCPPFLAGS -I/usr/include"
792 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
793 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
794 LB_LINUX_TRY_COMPILE([
795 #include <linux/iba/ibt.h>
797 IBT_INTERFACE_UNION interfaces;
800 rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
803 return rc == FSUCCESS ? 0 : 1;
811 2) AC_MSG_ERROR([can't compile with default Infinicon headers]);;
812 3) AC_MSG_ERROR([can't compile with Infinicon headers under $IIBPATH]);;
813 *) AC_MSG_ERROR([internal error]);;
818 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
820 AC_SUBST(IIBCPPFLAGS)
827 # check for Voltaire infiniband support
829 AC_DEFUN([LN_CONFIG_VIB],
830 [AC_MSG_CHECKING([whether to enable Voltaire IB support])
833 AC_HELP_STRING([--with-vib=path],
834 [build viblnd against path]),
837 no) AC_MSG_RESULT([no]);;
838 *) VIBPATH="${with_vib}/src/nvigor/ib-code"
839 if test -d "$with_vib" -a -d "$VIBPATH"; then
843 AC_MSG_ERROR([No directory $VIBPATH])
849 if test -z "$VIBPATH"; then
852 VIBCPPFLAGS="-I${VIBPATH}/include -I${VIBPATH}/cm"
853 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
854 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
855 LB_LINUX_TRY_COMPILE([
856 #include <linux/list.h>
857 #include <asm/byteorder.h>
862 #ifdef __LITTLE_ENDIAN
873 ibat_arp_data_t arp_data;
876 vvrc = vv_hca_open("ANY_HCA", NULL, &kib_hca);
877 cep = cm_create_cep(cm_cep_transp_rc);
878 ibatrc = ibat_get_ib_data((uint32_t)0, (uint32_t)0,
879 ibat_paths_primary, &arp_data,
880 (ibat_get_ib_data_reply_fn_t)NULL,
886 AC_MSG_ERROR([can't compile viblnd with given path])
888 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
890 if test -n "$VIBLND"; then
891 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
892 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
893 AC_MSG_CHECKING([if Voltaire still uses void * sg addresses])
894 LB_LINUX_TRY_COMPILE([
895 #include <linux/list.h>
896 #include <asm/byteorder.h>
901 #ifdef __LITTLE_ENDIAN
911 return &sg.v_address[3] == NULL;
914 VIBCPPFLAGS="$VIBCPPFLAGS -DIBNAL_VOIDSTAR_SGADDR=1"
918 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
920 AC_SUBST(VIBCPPFLAGS)
927 # check whether to use the RapidArray lnd
929 AC_DEFUN([LN_CONFIG_RALND],
931 AC_MSG_CHECKING([if RapidArray kernel headers are present])
933 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
934 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
935 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
936 LB_LINUX_TRY_COMPILE([
937 #include <linux/types.h>
941 RAP_PVOID dev_handle;
943 rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
945 return rc == RAP_SUCCESS ? 0 : 1;
954 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
960 # LN_STRUCT_PAGE_LIST
962 # 2.6.4 no longer has page->list
964 AC_DEFUN([LN_STRUCT_PAGE_LIST],
965 [AC_MSG_CHECKING([if struct page has a list field])
966 LB_LINUX_TRY_COMPILE([
967 #include <linux/mm.h>
973 AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
982 # red hat 2.4 adds sighand to struct task_struct
984 AC_DEFUN([LN_STRUCT_SIGHAND],
985 [AC_MSG_CHECKING([if task_struct has a sighand field])
986 LB_LINUX_TRY_COMPILE([
987 #include <linux/sched.h>
989 struct task_struct p;
992 AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
1000 # LN_FUNC_CPU_ONLINE
1002 # cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
1004 AC_DEFUN([LN_FUNC_CPU_ONLINE],
1005 [AC_MSG_CHECKING([if kernel defines cpu_online()])
1006 LB_LINUX_TRY_COMPILE([
1007 #include <linux/sched.h>
1011 AC_MSG_RESULT([yes])
1012 AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
1021 # check if gfp_t is typedef-ed
1023 AC_DEFUN([LN_TYPE_GFP_T],
1024 [AC_MSG_CHECKING([if kernel defines gfp_t])
1025 LB_LINUX_TRY_COMPILE([
1026 #include <linux/gfp.h>
1028 return sizeof(gfp_t);
1030 AC_MSG_RESULT([yes])
1031 AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found])
1040 # same goes for cpumask_t
1042 AC_DEFUN([LN_TYPE_CPUMASK_T],
1043 [AC_MSG_CHECKING([if kernel defines cpumask_t])
1044 LB_LINUX_TRY_COMPILE([
1045 #include <linux/sched.h>
1047 return sizeof (cpumask_t);
1049 AC_MSG_RESULT([yes])
1050 AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
1059 # we export show_task(), but not all kernels have it (yet)
1061 AC_DEFUN([LN_FUNC_SHOW_TASK],
1062 [LB_CHECK_SYMBOL_EXPORT([show_task],
1063 [kernel/ksyms.c kernel/sched.c],[
1064 AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
1069 # check userland __u64 type
1070 AC_DEFUN([LN_U64_LONG_LONG],
1071 [AC_MSG_CHECKING([u64 is long long type])
1073 CFLAGS="$CFLAGS -Werror"
1075 #include <linux/types.h>
1077 unsigned long long *data1;
1084 AC_MSG_RESULT([yes])
1085 AC_DEFINE(HAVE_U64_LONG_LONG, 1,
1086 [__u64 is long long type])
1093 # check userland size_t type
1094 AC_DEFUN([LN_SIZE_T_LONG],
1095 [AC_MSG_CHECKING([size_t is unsigned long type])
1097 CFLAGS="$CFLAGS -Werror"
1099 #include <linux/types.h>
1101 unsigned long *data1;
1108 AC_MSG_RESULT([yes])
1109 AC_DEFINE(HAVE_SIZE_T_LONG, 1,
1110 [size_t is long type])
1117 AC_DEFUN([LN_SSIZE_T_LONG],
1118 [AC_MSG_CHECKING([ssize_t is signed long type])
1120 CFLAGS="$CFLAGS -Werror"
1122 #include <linux/types.h>
1131 AC_MSG_RESULT([yes])
1132 AC_DEFINE(HAVE_SSIZE_T_LONG, 1,
1133 [ssize_t is long type])
1142 # 2.6.18 remove tasklist_lock export
1143 AC_DEFUN([LN_TASKLIST_LOCK],
1144 [LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
1146 AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
1147 [tasklist_lock exported])
1152 # 2.6.19 API changes
1153 # kmem_cache_destroy(cachep) return void instead of
1155 AC_DEFUN([LN_KMEM_CACHE_DESTROY_INT],
1156 [AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
1157 LB_LINUX_TRY_COMPILE([
1158 #include <linux/slab.h>
1160 int i = kmem_cache_destroy(NULL);
1163 AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
1164 [kmem_cache_destroy(cachep) return int])
1171 #panic_notifier_list use atomic_notifier operations
1173 AC_DEFUN([LN_ATOMIC_PANIC_NOTIFIER],
1174 [AC_MSG_CHECKING([panic_notifier_list is atomic])
1175 LB_LINUX_TRY_COMPILE([
1176 #include <linux/notifier.h>
1177 #include <linux/kernel.h>
1179 struct atomic_notifier_head panic_notifier_list;
1182 AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1,
1183 [panic_notifier_list is atomic_notifier_head])
1189 # 2.6.20 API change INIT_WORK use 2 args and not
1191 AC_DEFUN([LN_3ARGS_INIT_WORK],
1192 [AC_MSG_CHECKING([check INIT_WORK want 3 args])
1193 LB_LINUX_TRY_COMPILE([
1194 #include <linux/workqueue.h>
1196 struct work_struct work;
1198 INIT_WORK(&work, NULL, NULL);
1201 AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
1202 [INIT_WORK use 3 args and store data inside])
1208 # 2.6.21 api change. 'register_sysctl_table' use only one argument,
1209 # instead of more old which need two.
1210 AC_DEFUN([LN_2ARGS_REGISTER_SYSCTL],
1211 [AC_MSG_CHECKING([check register_sysctl_table want 2 args])
1212 LB_LINUX_TRY_COMPILE([
1213 #include <linux/sysctl.h>
1215 return register_sysctl_table(NULL,0);
1218 AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
1219 [register_sysctl_table want 2 args])
1225 # 2.6.21 marks kmem_cache_t deprecated and uses struct kmem_cache
1227 AC_DEFUN([LN_KMEM_CACHE],
1228 [AC_MSG_CHECKING([check kernel has struct kmem_cache])
1229 tmp_flags="$EXTRA_KCFLAGS"
1230 EXTRA_KCFLAGS="-Werror"
1231 LB_LINUX_TRY_COMPILE([
1232 #include <linux/slab.h>
1233 typedef struct kmem_cache cache_t;
1235 cache_t *cachep = NULL;
1237 kmem_cache_alloc(cachep, 0);
1240 AC_DEFINE(HAVE_KMEM_CACHE, 1,
1241 [kernel has struct kmem_cache])
1245 EXTRA_KCFLAGS="$tmp_flags"
1247 # 2.6.23 lost dtor argument
1248 AC_DEFUN([LN_KMEM_CACHE_CREATE_DTOR],
1249 [AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
1250 LB_LINUX_TRY_COMPILE([
1251 #include <linux/slab.h>
1253 kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
1256 AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
1257 [kmem_cache_create has dtor argument])
1266 # LNet linux kernel checks
1268 AC_DEFUN([LN_PROG_LINUX],
1275 LN_CONFIG_PANIC_DUMPLOG
1296 LN_KMEM_CACHE_DESTROY_INT
1297 LN_ATOMIC_PANIC_NOTIFIER
1301 LN_2ARGS_REGISTER_SYSCTL
1304 LN_KMEM_CACHE_CREATE_DTOR
1312 AC_DEFUN([LN_PROG_DARWIN],
1313 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
1319 # default paths for installed files
1321 AC_DEFUN([LN_PATH_DEFAULTS],
1328 # other configure checks
1330 AC_DEFUN([LN_CONFIGURE],
1331 [# lnet/utils/portals.c
1332 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
1333 AC_CHECK_FUNCS([gethostbyname socket connect])
1335 # lnet/utils/debug.c
1336 AC_CHECK_HEADERS([linux/version.h])
1338 AC_CHECK_TYPE([spinlock_t],
1339 [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
1341 [#include <linux/spinlock.h>])
1343 # lnet/utils/wirecheck.c
1344 AC_CHECK_FUNCS([strnlen])
1346 # -------- Check for required packages --------------
1349 # LC_CONFIG_READLINE
1351 # Build with readline
1353 AC_MSG_CHECKING([whether to enable readline support])
1354 AC_ARG_ENABLE(readline,
1355 AC_HELP_STRING([--disable-readline],
1356 [disable readline support]),
1357 [],[enable_readline='yes'])
1358 AC_MSG_RESULT([$enable_readline])
1360 # -------- check for readline if enabled ----
1361 if test x$enable_readline = xyes ; then
1363 LIBS="-lncurses $LIBS"
1364 AC_CHECK_LIB([readline],[readline],[
1365 LIBREADLINE="-lreadline -lncurses"
1366 AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
1374 AC_SUBST(LIBREADLINE)
1376 AC_MSG_CHECKING([if efence debugging support is requested])
1377 AC_ARG_ENABLE(efence,
1378 AC_HELP_STRING([--enable-efence],
1379 [use efence library]),
1380 [],[enable_efence='no'])
1381 AC_MSG_RESULT([$enable_efence])
1382 if test "$enable_efence" = "yes" ; then
1383 LIBEFENCE="-lefence"
1384 AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
1390 # -------- enable acceptor libwrap (TCP wrappers) support? -------
1391 AC_MSG_CHECKING([if libwrap support is requested])
1392 AC_ARG_ENABLE([libwrap],
1393 AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
1394 [case "${enableval}" in
1395 yes) enable_libwrap=yes ;;
1396 no) enable_libwrap=no ;;
1397 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
1398 esac],[enable_libwrap=no])
1399 AC_MSG_RESULT([$enable_libwrap])
1400 if test x$enable_libwrap = xyes ; then
1402 AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
1408 # -------- check for -lpthread support ----
1409 AC_MSG_CHECKING([whether to use libpthread for lnet library])
1410 AC_ARG_ENABLE([libpthread],
1411 AC_HELP_STRING([--disable-libpthread],
1412 [disable libpthread]),
1413 [],[enable_libpthread=yes])
1414 if test "$enable_libpthread" = "yes" ; then
1415 AC_CHECK_LIB([pthread], [pthread_create],
1416 [ENABLE_LIBPTHREAD="yes"],
1417 [ENABLE_LIBPTHREAD="no"])
1418 if test "$ENABLE_LIBPTHREAD" = "yes" ; then
1419 AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
1420 PTHREAD_LIBS="-lpthread"
1421 AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
1424 AC_MSG_RESULT([no libpthread is found])
1426 AC_SUBST(PTHREAD_LIBS)
1428 AC_MSG_RESULT([no (disabled explicitly)])
1429 ENABLE_LIBPTHREAD="no"
1431 AC_SUBST(ENABLE_LIBPTHREAD)
1433 # ----------------------------------------
1434 # some tests for catamount-like systems
1435 # ----------------------------------------
1436 AC_ARG_ENABLE([sysio_init],
1437 AC_HELP_STRING([--disable-sysio-init],
1438 [call sysio init functions when initializing liblustre]),
1439 [],[enable_sysio_init=yes])
1440 AC_MSG_CHECKING([whether to initialize libsysio])
1441 AC_MSG_RESULT([$enable_sysio_init])
1442 if test x$enable_sysio_init != xno ; then
1443 AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
1446 AC_ARG_ENABLE([urandom],
1447 AC_HELP_STRING([--disable-urandom],
1448 [disable use of /dev/urandom for liblustre]),
1449 [],[enable_urandom=yes])
1450 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
1451 AC_MSG_RESULT([$enable_urandom])
1452 if test x$enable_urandom != xno ; then
1453 AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
1456 # -------- check for -lcap support ----
1457 if test x$enable_liblustre = xyes ; then
1458 AC_CHECK_LIB([cap], [cap_get_proc],
1461 AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
1470 LN_CONFIG_MAX_PAYLOAD
1478 # AM_CONDITOINAL defines for lnet
1480 AC_DEFUN([LN_CONDITIONALS],
1481 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
1482 AM_CONDITIONAL(BUILD_GMLND, test x$GMLND = "xgmlnd")
1483 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
1484 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
1485 AM_CONDITIONAL(BUILD_OPENIBLND, test x$OPENIBLND = "xopeniblnd")
1486 AM_CONDITIONAL(BUILD_CIBLND, test x$CIBLND = "xciblnd")
1487 AM_CONDITIONAL(BUILD_IIBLND, test x$IIBLND = "xiiblnd")
1488 AM_CONDITIONAL(BUILD_VIBLND, test x$VIBLND = "xviblnd")
1489 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
1490 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
1491 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
1492 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
1498 # files that should be generated with AC_OUTPUT
1500 AC_DEFUN([LN_CONFIG_FILES],
1505 lnet/autoconf/Makefile
1507 lnet/include/Makefile
1508 lnet/include/libcfs/Makefile
1509 lnet/include/libcfs/linux/Makefile
1510 lnet/include/lnet/Makefile
1511 lnet/include/lnet/linux/Makefile
1513 lnet/klnds/autoMakefile
1514 lnet/klnds/gmlnd/Makefile
1515 lnet/klnds/mxlnd/autoMakefile
1516 lnet/klnds/mxlnd/Makefile
1517 lnet/klnds/gmlnd/autoMakefile
1518 lnet/klnds/openiblnd/Makefile
1519 lnet/klnds/openiblnd/autoMakefile
1520 lnet/klnds/o2iblnd/Makefile
1521 lnet/klnds/o2iblnd/autoMakefile
1522 lnet/klnds/ciblnd/Makefile
1523 lnet/klnds/ciblnd/autoMakefile
1524 lnet/klnds/iiblnd/Makefile
1525 lnet/klnds/iiblnd/autoMakefile
1526 lnet/klnds/viblnd/Makefile
1527 lnet/klnds/viblnd/autoMakefile
1528 lnet/klnds/qswlnd/Makefile
1529 lnet/klnds/qswlnd/autoMakefile
1530 lnet/klnds/ralnd/Makefile
1531 lnet/klnds/ralnd/autoMakefile
1532 lnet/klnds/socklnd/Makefile
1533 lnet/klnds/socklnd/autoMakefile
1534 lnet/klnds/ptllnd/Makefile
1535 lnet/klnds/ptllnd/autoMakefile
1536 lnet/libcfs/Makefile
1537 lnet/libcfs/autoMakefile
1538 lnet/libcfs/linux/Makefile
1540 lnet/lnet/autoMakefile
1541 lnet/selftest/Makefile
1542 lnet/selftest/autoMakefile
1544 lnet/ulnds/autoMakefile
1545 lnet/ulnds/socklnd/Makefile
1546 lnet/ulnds/ptllnd/Makefile
1549 case $lb_target_os in
1552 lnet/include/libcfs/darwin/Makefile
1553 lnet/include/lnet/darwin/Makefile
1554 lnet/libcfs/darwin/Makefile